Swimming in Grindavík in july 2025: Average sea temperature in july and tide times in july 2025

Average sea temperature in Grindavík in july 2025.

In july, according to seasonal norms, the sea temperature in Grindavík is:

Minimum: 50°F

Average: 53°F

Maximum: 57°F

Other useful seasonal weather averages in july:

  • Outside temperature: 51°F to 55°F
  • Most common weather: "Partly Cloudy"
  • The wind blows at 5.6mph
  • It rains a total of 4in, over 6 day(s).

Should we swim in Grindavík in july?

No... The water temperature in Grindavík in july is freezing

You won't be able to swim in Grindavík in july! The water temperature is freezing, reaching as low as 50°F (and only 57°F at best)! Our advice: if you are going to Grindavík this month, plan to sightsee and forget the beach!

Note also that in july, the climate is tolerable with an average outside temperature of 53°F, 4in of precipitation (over 6 days) and 85.14 % humidity.

Water and normal seasonal temperatures in Grindavík in july

July
Average sea temperature 53°F
Minimum sea temperature 50°F
Maximum sea temperature 57°F
Average outside temperature 54°F
Maximum outside temperature 56°F
Minimum outside temperature 52°F
Wind speed 16.2mph
Wind temperature 49°F
Precipitation 4in
Number of days of rain 6 jour(s)
(18%)
Humidity 86%
Visibility in kilometers 9.04km
Cloud cover 60%
Our opinion freezing swimming

Chart of the tides in july 2025

Tide times in july 2025 in Grindavík

Swim elsewhere in Iceland in july

City Average T° Max. T° Our opinion
Reykjavík in july53°F56°Ffreezing swimming
Akureyri in july48°F52°Ffreezing swimming
Borgarnes in july51°F54°Ffreezing swimming
Djúpavík in july48°F52°Ffreezing swimming
Hofn in july50°F53°Ffreezing swimming
Ísafjörður in july48°F51°Ffreezing swimming
Ólafsvík in july50°F53°Ffreezing swimming
Patreksfjörður in july48°F52°Ffreezing swimming
Raufarhöfn in july48°F52°Ffreezing swimming
Siglufjördur in july48°F51°Ffreezing swimming
Snaefellsnes in july50°F53°Ffreezing swimming
Vík í Mýrdal in july53°F56°Ffreezing swimming
Jokulsarlon in july50°F53°Ffreezing swimming

Swim in Iceland in july: sea temperature by city

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